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[Custom ROM] How to take logcat in bootloop, stuck at boot phones

[Custom ROM] How to take logcat in bootloop, stuck at boot phones

shankar1790
shankar1790
shankar1790
Senior Member
474
14-03-2019, 01:18 PM
#1



I try to port evercoss m50 star nougat rom to my device (sc9832 cpu). I successfully flashed the rom in twrp recovery and try to boot it.
The boot animation comes with boot sound and look like it setup itself but it goes blank after some time and reboot itself (bootloop).
And stuck after bootanimation.
Can someone suggest me to how to take logcat in bootloop phones , i don't have android studio installed currently.
Any other way??
Its show mtp usb port under device manager.

Kernel issues or graphics issue??.
This post was last modified: 14-03-2019, 01:23 PM by shankar1790.
juvette
juvette
juvette
Senior Member
506
14-03-2019, 05:46 PM
#2
(14-03-2019, 01:18 PM)shankar1790 I try to port evercoss m50 star nougat rom to my device (sc9832 cpu). I successfully flashed the rom in twrp recovery and try to boot it.
The boot animation comes with boot sound and look like it setup itself but it goes blank after some time and reboot itself (bootloop).
And stuck after bootanimation.
Can someone suggest me to how to take logcat in bootloop phones , i don't have android studio installed currently.
Any other way??
Its show mtp usb port under device manager.

Kernel issues or graphics issue??.

Does ADB detect the phone while booting up



Sent from my Infinix X510 using Hovatek Mobile
shankar1790
shankar1790
shankar1790
Senior Member
474
15-03-2019, 01:42 AM
#3
(14-03-2019, 05:46 PM)juvette
(14-03-2019, 01:18 PM)shankar1790 I try to port evercoss m50 star nougat rom to my device (sc9832 cpu). I successfully flashed the rom in twrp recovery and try to boot it.
The boot animation comes with boot sound and look like it setup itself but it goes blank after some time and reboot itself (bootloop).
And stuck after bootanimation.
Can someone suggest me to how to take logcat in bootloop phones , i don't have android studio installed currently.
Any other way??
Its show mtp usb port under device manager.

Kernel issues or graphics issue??.

Does ADB detect the phone while booting up



Sent from my Infinix X510 using Hovatek Mobile

No. I tried to patch my boot.img to enable adb but nothing happen. Still waiting for device
juvette
juvette
juvette
Senior Member
506
18-03-2019, 07:31 PM
#4
(15-03-2019, 01:42 AM)shankar1790 No. I tried to patch my boot.img to enable adb but nothing happen. Still waiting for device

Did you try the same with build.prop in /system?


Sent from my Infinix X510 using Hovatek Mobile
shankar1790
shankar1790
shankar1790
Senior Member
474
19-03-2019, 05:41 AM
#5



(18-03-2019, 07:31 PM)juvette
(15-03-2019, 01:42 AM)shankar1790 No. I tried to patch my boot.img to enable adb but nothing happen. Still waiting for device

Did you try the same with build.prop in /system?


Sent from my Infinix X510 using Hovatek Mobile

Yes i have done with build.prop to and it set ro.secure=0 but it show still unauthorised
juvette
juvette
juvette
Senior Member
506
21-03-2019, 07:19 PM
#6
(19-03-2019, 05:41 AM)shankar1790 Yes i have done with build.prop to and it set ro.secure=0 but it show still unauthorised

Hold on. Is you or your custom rom wiping /userdata after flashing?


Sent from my Infinix X510 using Hovatek Mobile
shankar1790
shankar1790
shankar1790
Senior Member
474
22-03-2019, 02:06 AM
#7
(21-03-2019, 07:19 PM)juvette
(19-03-2019, 05:41 AM)shankar1790 Yes i have done with build.prop to and it set ro.secure=0 but it show still unauthorised

Hold on. Is you or your custom rom wiping /userdata after flashing?


Sent from my Infinix X510 using Hovatek Mobile

No but i always did clean install but not factory reset.
Should i also need to erase persist?
Well now i am trying to port only system ui and some apps instead of whole rom.
Is there any step by step guide to port port system ui? Its keep crashing.

M50 star has two framework-res.apk in framework folder qiku-framework-res.apk and default one.
This rom support theme so systemui needs qiku-framework.apk.
juvette
juvette
juvette
Senior Member
506
23-03-2019, 10:17 PM
#8
(22-03-2019, 02:06 AM)shankar1790 No but i always did clean install but not factory reset.
Should i also need to erase persist?
Well now i am trying to port only system ui and some apps instead of whole rom.
Is there any step by step guide to port port system ui? Its keep crashing.

M50 star has two framework-res.apk in framework folder qiku-framework-res.apk and default one.
This rom support theme so systemui needs qiku-framework.apk.

I think you should try making your rom only modify /system so logcats should work.
As for the systemui, you'll need to deodex the framework apks before making any changes. You'll have to do a lot of research, trial and error because there's no one single guide when dealing with custom roms


Sent from my Infinix X510 using Hovatek Mobile
shankar1790
shankar1790
shankar1790
Senior Member
474
24-03-2019, 07:53 AM
#9
(23-03-2019, 10:17 PM)juvette
(22-03-2019, 02:06 AM)shankar1790 No but i always did clean install but not factory reset.
Should i also need to erase persist?
Well now i am trying to port only system ui and some apps instead of whole rom.
Is there any step by step guide to port port system ui? Its keep crashing.

M50 star has two framework-res.apk in framework folder qiku-framework-res.apk and default one.
This rom support theme so systemui needs qiku-framework.apk.

I think you should try making your rom only modify /system so logcats should work.
As for the systemui, you'll need to deodex the framework apks before making any changes. You'll have to do a lot of research, trial and error because there's no one single guide when dealing with custom roms


Sent from my Infinix X510 using Hovatek Mobile

Thanks for your valuable suggestions , i will do the same
shankar1790
shankar1790
shankar1790
Senior Member
474
27-04-2019, 06:42 AM
#10



Well i got tombstones log and successfully manage to boot it.(well this type of problem related to kernal issue)
Its a kernel issue and i successfully port and booted this rom. Everything's working fine and i used this rom as daily driver.
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